NAME

       futimes, lutimes - change file timestamps

SYNOPSIS

       #include <sys/time.h>

       int futimes(int fd, const struct timeval tv[2]);

       int lutimes(const char *filename, const struct timeval tv[2]);

   Feature Test Macro Requirements for glibc (see feature_test_macros(7)):

       futimes(), lutimes(): _BSD_SOURCE

DESCRIPTION

       futimes()  changes  the  access  and  modification times of a file in the same way as utimes(2), with the
       difference that the file whose timestamps are to be changed is  specified  via  a  file  descriptor,  fd,
       rather than via a pathname.

       lutimes()  changes  the  access  and  modification times of a file in the same way as utimes(2), with the
       difference that if filename refers to a symbolic link, then the link is not  dereferenced:  instead,  the
       timestamps of the symbolic link are changed.

RETURN VALUE

       On success, zero is returned.  On error, -1 is returned, and errno is set appropriately.

ERRORS

       Errors are as for utimes(2), with the following additions for futimes():

       EBADF  fd is not a valid file descriptor.

       ENOSYS The /proc filesystem could not be accessed.

       The following additional error may occur for lutimes():

       ENOSYS The kernel does not support this call; Linux 2.6.22 or later is required.

VERSIONS

       futimes() is available since glibc 2.3.  lutimes() is available since glibc 2.6, and is implemented using
       the utimensat(2) system call, which is supported since kernel 2.6.22.

CONFORMING TO

       These functions are not specified in any standard.  Other than Linux, they  are  available  only  on  the
       BSDs.

SEE ALSO

       utime(2), utimensat(2), symlink(7)

COLOPHON

       This  page  is  part  of  release 3.54 of the Linux man-pages project.  A description of the project, and
       information about reporting bugs, can be found at http://www.kernel.org/doc/man-pages/.